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Title:
A manufacturing method of the exterior unit used for the manufacturing method of an air harmony machine, and/or the air harmony machine
Document Type and Number:
Japanese Patent JP6191889
Kind Code:
B2
Abstract:
The current invention provides a tube-grasping body for grasping an insert tube in a heat exchanger, and heat exchanger production methods and apparatuses utilizing the tube-grasping body, wherein the tube-grasping body enables to enlarge and connect an insert tube to a heat radiating fin for producing a heat exchanger, still keeping the total length of insert tubes at an almost same level even after the enlargement; and the tube-grasping body is connected at its exterior to the guide-pipe.

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Inventors:
Kenji Tokura
Application Number:
JP2015221647A
Publication Date:
September 06, 2017
Filing Date:
October 23, 2015
Export Citation:
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Assignee:
Kyoshin Industry Co., Ltd.
International Classes:
B21D53/08; B21D39/06; B21D39/20; F24F1/18; F28F9/16
Domestic Patent References:
JP2009248138A
JP52034839U
JP2003075086A
Foreign References:
WO2009131072A1



 
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